kai_(pixiv_110495333), yuuka_(blue_archive), year_2024, 1girl, bathing, black_halo, blush, breasts, closed_eyes, hair_down, halo, indoors, long_hair, mechanical_halo, medium_breasts, nipples, open_mouth, partially_submerged, purple_hair, relaxing, solo, steam, wet, wet_hair, highres, self-upload, blue_archive